I did not do anything to the raised beds before we left for vacation. The weather didn't co-operate and despite the local predictions of a dry spring we had a fair amount of rainfall. I would have liked to have had my beds planted earlier this year but knowing we would be away for 11 days there was little point especially with frost threatening just a couple days before we left.
By the end of the afternoon the bed was prepped and ready for planting. The original square foot garden method calls for using a rigid grid but right from the start I have always used left-over cotton yarn. Yarn stretches a bit and sags when it gets wet but other than that it makes an effective grid. This year I am using garden twine. This twine has a bit of a coating on it that will prevent any sagging when it gets wet keeping the grid a bit neater.